2 papers
math.NA2024
A rational Krylov methods for large scale linear multidimensional dynamical systems
Houda Barkouki, Khalide Jbilou
In this paper, we investigate the use of multilinear algebra for reducing the order of multidimensional linear time-invariant (MLTI) systems. Our main tools are tensor rational Kry…
math.NA2023
A Rational Krylov Subspace Method for the Computation of the Matrix Exponential Operator
H. Barkouki, A. H. Bentbib, K. Jbilou
The computation of approximating e^tA B, where A is a large sparse matrix and B is a rectangular matrix, serves as a crucial element in numerous scientific and engineering calculat…